Sulfur and Nitrogen Analysis by ASTM D 5453 and 4629

Calibration and Verification Standards 

Trace Element Analysis requires attention to detail . At ASI we pride ourselves in delivering high quality, reliable standards to calibrate your Chemiluminescence, UV and Oxidative Mcrocoulometric measurements with confidence

Our Standards are

  • ·Gravimetrically certified and verified at our facility. Reported with density.
  • ·For accurate analysis by Chemiluminescence, UV Fluorescence, and Oxidative Microcoulometry
  • ·High grade Sulfur sources of DBS and Dibenzothiophene
  • ·High grade Nitrogen sources of Pyridine and Acridine
  • ·Clean matrices of Isooctane, Toluene, and Xylenes